Radio was supposed to die in 1945, when TV came along. It turns out that radio grew and grew, and it's a bigger business today than it has ever been.

I was 40-something years old. I hadn't shown any entrepreneurial spunk up until that point.

People really like to listen to other people talk; sometimes listening is the only thing you can do.

A lot of people listen to podcasts because they want to learn something and be entertained along the way.

Audio is the only medium you can consume while you're multitasking.

A free throw seems boring but then when you sort of dig into what's going on and the history and psychology and the social anthropology around the free throw - it's interesting.

When you're hearing somebody and you're not seeing them, your brain naturally creates a version of them. Then you feel closer to them because you've created them.